Welcome to Nanjing Golden Key Biotechnology Co., Ltd.!

Deepen the defoaming field, assist in efficient production, and provide one-stop foam solutions

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Jiangsu defoamer manufacturer—Nanjing Golden Key Bio specializes in defoamers, including food-grade defoamers, silicone-based defoamers, and fermentation‑specific defoamers.

Release Date:

2021-03-25

Nanjing Golden Key Biotechnology Co., Ltd. is a specialized manufacturer of defoamers. Our corporate philosophy—safety, efficiency, scientific rigor, and innovation—has enabled us to carve out a strong position in the highly competitive market. Our products are sold nationwide and exported to numerous countries.

　　Jiangsu Defoamer manufacturer - Nanjing Golden Key Biological Co., Ltd. specializes in defoamers, including food-grade defoamers, silicone-based defoamers, and fermentation‑specific defoamers.

　　The company’s main products include food-grade defoamers and industrial defoamers, available in two major product lines—liquid and powder—and offered in a variety of packaging formats. In addition, the company distributes a range of specialized, multi‑purpose products from overseas.

　　The company has obtained ISO‑9000 quality management system certification and food safety certification. Putting customers first and operating in compliance with the law are the cornerstones of our corporate ethos, while efficiency, professionalism, and a global outlook drive our continued growth.

　　We will wholeheartedly deliver exceptional service to every customer, relentlessly striving for excellence and leading the way in an increasingly competitive market.

The application of defoamers should not be underestimated.

A defoamer manufacturer explains how to choose the right defoamer.

The application of defoamers should not be underestimated.

A defoamer manufacturer explains how to choose the right defoamer.

Real-time news

Nanjing Golden Key Biotechnology Co., Ltd. cordially invites you to visit our facility!

Nanjing Golden Key Biotechnology Co., Ltd. cordially invites you to visit the 17th International Biofermentation Series Exhibition 2026 in Hangzhou.

Zhejiang is focusing on the innovation and upgrading of the bio‑manufacturing industry and the integrated industrial development of the Yangtze River Delta, while leveraging five core strengths—industrial clusters, favorable policy frameworks, a pool of science‑and‑technology talent, digital empowerment, and broad market reach—making it a strategic choice for elevating the exhibition’s profile, expertise, and authority. The event features multi‑dimensional, theme‑specific pavilions covering key sectors such as bio‑manufacturing, synthetic biology, proteins and bioactive peptides, the biopharmaceutical industry, biochemical instruments and laboratory equipment, and nutrition, health, and probiotic products, bringing together cutting‑edge products, technologies, and equipment to foster a comprehensive ecosystem for technological advancement and commercial exchange across the entire value chain.

China International Food Additives and Ingredients Exhibition & the 35th National Symposium on Production and Application Technologies of Food Additives

China International Food Additives and Ingredients Exhibition & the 35th National Symposium on Technology for the Production and Application of Food Additives (FIC)

What are the causes and mechanisms of deactivation in silicone-based defoamers?

Deactivation of silicone‑based defoamers is a very common phenomenon, not limited to silicone gel‑type defoamers. Other types of silicone defoamers also frequently experience deactivation; however, I will use silicone gel‑based defoamers as an example to discuss the causes and mechanisms of their deactivation, in the hope that this will be helpful. There are many reasons why silicone‑based defoamers become deactivated.